Para-tertiary butylcyclohexanyl acetate



Patented Jan. 15, 1952 UNITED STATES PATENT OFFICE PARA-TERTIARY BUTYLCYCLOHEXANYL ACETATE! Martin Bollmann, Krefeld- Uerdingen, and Erwin Kroning, Krefeld, Germany, assignors to Farbenfabriken Bayer, Krefeld-Uerdingen, Germany No Drawing. Application October 25, 1949, Serial No. 123,535. In Germany October 1, 1948 1 Claim. (Cl; 260-488) 1 2 This invention relates to a new scent and to 10 parts by weight of geranol scent compositions containing the same. 5 parts by weight of citronellol p-Tertiary butyl cyclohexanol has a musty 5 parts by weight of phenylethyl alcohol camphorlike smell and is thus unsuitable for 5 parts by weight of musk ambrette scent. We have now found that the acetic ester 6 3 parts by weight of cumarin of p-tertiary butyl cyclohexanol has a pleasant 5 parts by weight of benzyl acetate smell reminiscent of methyl-ionone, iris and 5 parts by weight of Resinoid Mousse de Chne vetiver acetate and istherefore particularly suit- 3 parts by weight of vetiver acetate able for making of scent compositions of the 16 parts by weight of benzyl salicylate character of Lorigan, Russian leather and like A scent composition of h character of scent groups Lorigan with the use of p-tertiary butyl cyclo- According to the present invention, p-tertiary 1 butyl cyclohexanyl acetate is obtained in a way hexanyl acetate may be made up as follows known per so by esterification of p-tertiary butyl 10 parts by weight of p-tertiary butyl cyclohexcyclohexanol. For example a mixture of 100 anyl acetate parts by weight of p-tertiary butyl cyclohexanol, 0.5 p t by weight of iso-e n l 100 parts by weight of acetic anhydride and 0.1 P rt y W ht of anisic aldehyde parts by weight of anhydrou acetate is heated 1 part by weight of rose for two hours under reflux. After cooling the 0.3 p rt y ght of be m tyoil reaction product is washed first with diluted soda 20 3 P s by weight o jasmine lye and then with water until neutral reaction is p rts by weight of benzyl alcohol obtained. After drying the reaction product is We claim:

dlstlued at 4 under 3 re p-Tertiary butyl cyclohexanyl acetate. gauge. About 100 parts by weight of p-tertiary MARTIN AN butyl cyclohexanyl acetate are obtained. The ERWIN KRONING I acetate is a colourless liquid with a specific gravity of 0.9429 at 15 C. REFERENCES CITED A scent composition of the character of sandalwood on with the use of p tertiary butyl cyc1o The following references arefof record in the hexanyl acetate may be made up as follows: file of this Patent: 10 parts by weight of p-tertiary butyl cyclo- UNITED STATES PATENTS hexanyl acetate Number Name Date 33 parts by weight of sandalwood oil (East In- 2,376,105 Williams May 15, 1945 dian) 

